modlib/init.lua
2020-11-15 11:28:05 +01:00

95 lines
2.3 KiB
Lua

-- Silence builtin/strict.lua
setmetatable(_G, {})
-- Lua version check
if _VERSION then
if _VERSION < "Lua 5" then
error("Outdated Lua version! modlib requires Lua 5 or greater.")
end
if _VERSION > "Lua 5.1" then
-- not throwing error("Too new Lua version! modlib requires Lua 5.1 or smaller.") anymore
unpack = unpack or table.unpack -- unpack was moved to table.unpack in Lua 5.2
loadstring = load
function setfenv(fn, env)
local i = 1
while true do
name = debug.getupvalue(fn, i)
if name == "_ENV" then
debug.setupvalue(fn, i, env)
break
elseif not name then
break
end
end
return fn
end
function getfenv(fn)
local i = 1
local name, val
repeat
name, val = debug.getupvalue(fn, i)
if name == "_ENV" then
return val
end
i = i + 1
until not name
end
end
end
-- TODO get rid of code duplication
local function get_resource(modname, resource)
if not resource then
resource = modname
modname = minetest.get_current_modname()
end
return minetest.get_modpath(modname) .. "/" .. resource
end
local function loadfile_exports(filename)
local env = setmetatable({}, {__index = _G})
local file = assert(loadfile(filename))
setfenv(file, env)
file()
return env
end
local components = {
mod = {},
class = {},
conf = {},
data = {},
file = {},
func = {},
log = {},
minetest = {},
number = {},
player = {},
table = {},
text = {string = "local"},
threading = {},
vector = {}
}
modlib = {}
for component, additional in pairs(components) do
local comp = loadfile_exports(get_resource(component .. ".lua"))
modlib[component] = comp
for alias, scope in pairs(additional) do
if scope == "global" then
_G[alias] = comp
else
modlib[alias] = comp
end
end
end
modlib.conf.build_setting_tree()
modlib.mod.loadfile_exports = loadfile_exports
_ml = modlib
--[[
--modlib.mod.include("test.lua")
]]